document.write( "Question 875067: Monica takes one hour to wash a car and Hilary takes one hour to wash a car. If they work together, how long will it take them to wash one car?\r
\n" ); document.write( "\n" ); document.write( "Monica, still, takes one hour to wash a car and Bill takes two hours to wash a car. If they work together, how long will it take them to wash one car?
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Algebra.Com's Answer #527911 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
\"1%2F1+%2B+1%2F1+=+1%2Fx\"
\n" ); document.write( " x + x = 1
\n" ); document.write( " 2x = 1
\n" ); document.write( " x = 1/2 hr
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